Which isn’t a knock on actor Austin Nichols or anyone, since it’s almost necessary for the character to take a backseat to the abundance of more established survivors already milling about.
Spencer just isn’t meant to extend the Monroe family tree into the future.
And it’s the manner in which he goes out in the comics that should have gorehounds happy.
One part of it, of course, relies on going back to Robert Kirkman’s comic book source material, while the other side of it is just looking at how unimportant Spencer is, both to anyone else and within his own thinly threaded storyline.